Mandriva Linux Security Advisory – Maurycy Prodeus found an integer overflow vulnerability in the way various PDF viewers processed PDF files. An attacker could create a malicious PDF file that could cause koffice to crash and possibly execute arbitrary code open a user opening the file.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/58578/MDKSA-2007-163.txt
Source: https://packetstormsecurity.com/files/58578/Mandriva-Linux-Security-Advisory-2007.163.html